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usb: Add EHCI support for Armada 38x (mvebu)

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This patch adds USB EHCI host support for the common mvebu platform.
Including the Armada 38x.

Tested on DB-88F6280-GP eval board.

Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Marek Vasut <marex@denx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>
This commit is contained in:
Stefan Roese 2015-06-29 14:58:15 +02:00 • committed by Luka Perkov
parent 7cbaff9574
commit fe11ae2437
2 changed files with 37 additions and 0 deletions
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1
arch/arm/mach-mvebu/include/mach/soc.h
View file

@ -49,6 +49,7 @@
#define MVEBU_EGIGA2_BASE (MVEBU_REGISTER(0x30000))
#define MVEBU_EGIGA3_BASE (MVEBU_REGISTER(0x34000))
#define MVEBU_REG_PCIE_BASE (MVEBU_REGISTER(0x40000))
#define MVEBU_USB20_BASE (MVEBU_REGISTER(0x58000))
#define MVEBU_EGIGA0_BASE (MVEBU_REGISTER(0x70000))
#define MVEBU_EGIGA1_BASE (MVEBU_REGISTER(0x74000))
#define MVEBU_SATA0_BASE (MVEBU_REGISTER(0xa8000))

36
drivers/usb/host/ehci-marvell.c
View file

@ -10,6 +10,7 @@
#include <asm/io.h>
#include <usb.h>
#include "ehci.h"
#include <linux/mbus.h>
#include <asm/arch/cpu.h>
#if defined(CONFIG_KIRKWOOD)
@ -30,6 +31,40 @@ DECLARE_GLOBAL_DATA_PTR;
/*
* USB 2.0 Bridge Address Decoding registers setup
*/
#ifdef CONFIG_ARMADA_XP
#define MVUSB0_BASE MVEBU_USB20_BASE
/*
* Once all the older Marvell SoC's (Orion, Kirkwood) are converted
* to the common mvebu archticture including the mbus setup, this
* will be the only function needed to configure the access windows
*/
static void usb_brg_adrdec_setup(void)
{
const struct mbus_dram_target_info *dram;
int i;
dram = mvebu_mbus_dram_info();
for (i = 0; i < 4; i++) {
wrl(USB_WINDOW_CTRL(i), 0);
wrl(USB_WINDOW_BASE(i), 0);
}
for (i = 0; i < dram->num_cs; i++) {
const struct mbus_dram_window *cs = dram->cs + i;
/* Write size, attributes and target id to control register */
wrl(USB_WINDOW_CTRL(i),
((cs->size - 1) & 0xffff0000) | (cs->mbus_attr << 8) |
(dram->mbus_dram_target_id << 4) | 1);
/* Write base address to base register */
wrl(USB_WINDOW_BASE(i), cs->base);
}
}
#else
static void usb_brg_adrdec_setup(void)
{
int i;
@ -69,6 +104,7 @@ static void usb_brg_adrdec_setup(void)
wrl(USB_WINDOW_BASE(i), base);
}
}
#endif
/*
* Create the appropriate control structures to manage